91 lines
2.4 KiB
Bash
91 lines
2.4 KiB
Bash
#!/bin/bash
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# Function to escape special characters for Mermaid
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escape_for_mermaid() {
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echo "$1" | sed 's/[^a-zA-Z0-9]/_/g'
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}
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# Output file
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output_file="branches_diagram.mmd"
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# Start the Mermaid diagram
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{
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echo "%%{init: { 'theme': 'base' } }%%"
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echo "gitGraph"
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# Set master as the main branch
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main_branch="master"
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# Start with the main branch
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echo " commit id: \"Initial commit\""
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echo " branch $main_branch"
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echo " checkout $main_branch"
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# Keep track of declared branches
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declared_branches=("$main_branch")
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# Function to check if a branch is declared
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is_branch_declared() {
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local branch=$1
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for declared_branch in "${declared_branches[@]}"; do
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if [[ "$declared_branch" == "$branch" ]]; then
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return 0
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fi
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done
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return 1
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}
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# Function to find the base branch
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find_base_branch() {
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local branch=$1
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local base=$(git merge-base --fork-point "$branch" "$main_branch" || echo "$main_branch")
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if [[ -z "$base" ]]; then
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echo "$main_branch"
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else
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echo "$base"
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fi
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}
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# Function to declare a branch if not already declared
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declare_branch() {
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local branch=$1
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if ! is_branch_declared "$branch"; then
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echo " branch $(escape_for_mermaid "$branch")"
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declared_branches+=("$branch")
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fi
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}
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# Process each branch
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for branch in $(git for-each-ref --sort=committerdate --format='%(refname:short)' refs/heads/); do
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base_branch=$(find_base_branch "$branch")
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declare_branch "$branch"
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echo " checkout $(escape_for_mermaid "$branch")"
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echo " commit id: \"$(git log -1 --pretty=format:%s "$branch")\""
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# Check which branches are merged into this branch
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merged_branches=$(git branch --merged "$branch" | grep -v "\* $branch" | grep -v "$main_branch")
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if [ -n "$merged_branches" ]; then
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for merged_branch in $merged_branches; do
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if [ "$merged_branch" != "$branch" ]; then
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declare_branch "$merged_branch"
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echo " checkout $(escape_for_mermaid "$branch")"
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echo " merge $(escape_for_mermaid "$merged_branch")"
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fi
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done
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fi
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done
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# Check for branches not yet merged into master
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not_merged=$(git branch --no-merged "$main_branch")
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if [ -n "$not_merged" ]; then
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echo " commit id: \"Branches not yet merged into master:\""
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for branch in $not_merged; do
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echo " commit id: \"$branch\""
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done
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fi
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} > $output_file
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echo "Mermaid diagram saved to $output_file"
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